Thermometer



FIG. 1 is a front perspective view of a thermometer;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof showing a cap in a removed state.

The broken lines showing portions of the thermometer form no part of the claimed design. 

CLAIM The ornamental design for a thermometer, as shown and described. 